Imaging of cosmic ray tracks in the PICsIT detector onboard the INTEGRAL satellite

A. Segreto; C. Labanti; C. Ferrigno; M. Marisaldi

doi:10.1117/12.619799

18 August 2005 Imaging of cosmic ray tracks in the PICsIT detector onboard the INTEGRAL satellite

A. Segreto, C. Labanti, C. Ferrigno, M. Marisaldi

Proceedings Volume 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV; 58980M (2005) https://doi.org/10.1117/12.619799
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

The PICsIT (PIxelated CsI Telescope) instrument is the high energy plane of the IBIS imager onboard the INTEGRAL satellite. PICsIT consists of a 64x64 detector array, each composed of a CsI(Tl) scintillating crystal with p-i-n photodiode readout. Since its first in-orbit activation, several extended tracks have been detected in its images, indicating the presence of frequent electromagnetic and hadronic showers initiated by primary cosmic rays. In this paper we present the peculiar way the showers can form images in the PICsIT detector plane. We show also as the rejection of tracks events can be accomplished thanks to their peculiar geometrical and timing characteristics.

Citation Download Citation

A. Segreto, C. Labanti, C. Ferrigno, and M. Marisaldi "Imaging of cosmic ray tracks in the PICsIT detector onboard the INTEGRAL satellite", Proc. SPIE 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV, 58980M (18 August 2005); https://doi.org/10.1117/12.619799

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